Transmission case



FIG. 1 is a front elevation view showing the new, original, andornamental design of a transmission case;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6. is a bottom plan view thereof.

The broken lines shown in FIG. 1 of the drawings represent environmentalsubject matter and form no part of the claimed design.

CLAIM The ornamental design for a transmission case, as shown anddescribed.